Rarely does an estate-sized Gulf-front lot of this stature become available on the northern end of Longboat Key. Six thousand three hundred fifty-one Gulf of Mexico Drive presents a truly exceptional one hundred-foot by three hundred eighty-eight-foot direct beachfront parcel - nearly thirty-nine thousand square feet of pristine Gulf of Mexico frontage. This distinguished property stands as one of the final remaining full beachfront estate-sized lots on Longboat Key, offering a rare and significant opportunity. Commanding sweeping, unobstructed views of the turquoise Gulf waters and the iconic white-sand shoreline, the site serves as a unique blank canvas for the creation of a bespoke oceanfront residence. The expansive and generously proportioned dimensions provide unparalleled design flexibility, allowing the accomplished buyer to fully realize a custom legacy property tailored to the highest standards of coastal elegance, privacy, and sophistication. Ideally situated, the property enjoys convenient proximity to the prestigious Longboat Key Club with its forty-five holes of championship golf, tennis facilities, and fine dining. World-class restaurants are moments away, including The Shore, Whitneys, Mar Vista, Euphemia Haye, and Lazy Lobster. Additionally, St. Armands Circle offers exceptional shopping and dining while the fine and performing arts venues of downtown Sarasota are easily accessible. Positioned among notable residences yet defined by its substantial scale and immediate beach access, this parcel delivers the rare combination of exclusivity and architectural freedom. It is an offering for the discerning individual who has earned the right to create precisely what they envision - a timeless private sanctuary in one of Florida's most prestigious coastal communities. Private showings by appointment.